linux-lvm.redhat.com archive mirror
 help / color / mirror / Atom feed
From: "Andi Kleen" <ak@suse.de>
To: linux-lvm@msede.com
Subject: Re: [linux-lvm] LVM 0.8 and reiser filesystem
Date: Wed, 7 Jun 2000 18:14:47 +0200	[thread overview]
Message-ID: <20000607181447.A26520@gruyere.muc.suse.de> (raw)
In-Reply-To: <20000607173420.C5442@colombina.comedia.it>; from bluca@comedia.it on Wed, Jun 07, 2000 at 05:34:20PM +0200

On Wed, Jun 07, 2000 at 05:34:20PM +0200, Luca Berra wrote:
> On Wed, Jun 07, 2000 at 02:59:54PM +0200, Andi Kleen wrote:
> > In RAID5 that is very bad (e.g. when the parity block is not uptodate
> > and another block is unreadable) you get silent data corruption. In
> > RAID1 with a slave device you at worst get oudated data (may cause
> I thought the event counter in the raid superblock was used for this
> purpose.

That would require adding a generation counter to every raid stripe
(=losing at least one block/stripe) 
and also writing of the superblock before every write.


-Andi

  reply	other threads:[~2000-06-07 16:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-06-06 15:44 [linux-lvm] LVM 0.8 and reiser filesystem holger_zecha
2000-06-06 16:21 ` Luca Berra
2000-06-06 16:29 ` Brian Kress
2000-06-06 16:41 ` Andi Kleen
2000-06-07 12:00   ` Luca Berra
2000-06-07 12:59     ` Andi Kleen
2000-06-07 15:34       ` Luca Berra
2000-06-07 16:14         ` Andi Kleen [this message]
2000-06-07 16:04       ` Jos Visser
2000-06-07 16:08         ` Andi Kleen
2000-06-07 16:23           ` Jos Visser
2000-06-07 13:53     ` Eric M. Hopper
2000-06-06 17:33 ` Eric M. Hopper

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20000607181447.A26520@gruyere.muc.suse.de \
    --to=ak@suse.de \
    --cc=linux-lvm@msede.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).